If you have closely observed what is happening to the Earth over the past decade and a half‚ week in and week out‚ you may take a dark view of the future. People are not looking after the environment. The Earth is under threat as it has never been before. From the activities of a world population which doubled from three to six billion in four short decades and will probably increase by three billion more. These activities are now wiping out ecosystems and species across the world. • The
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Denudation Processes While volcanic activities are a mountain’s building process‚ denudation processes are trying to level them down. Denudation includes processes which removes rock debris and carrying them to a new location. These processes happen through gravity‚ wind‚ ice and water. In the Tongariro Volcanic Centre‚ winds are an effective denudation agent because the mountain top gales are frequent and severe. Winds can transport and deposit debris. They carry with them fine silts and sand
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There have been many disasters movies from Hollywood‚ and San Andreas is another disaster film. This movie is about how an earthquake started in the Hoover Dam (Clark County‚ Nevada)‚ but then it spread out to San Francisco and a Tsunami came. I know some movies are depressing‚boring‚awful but San Andreas is not one of those kind of movies. This movie is an entertaining movie that you could watch every single day. People think that this movie is a bad one. But this is a wonderful movie. The first
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VulcanicityVolcanoes mostly occur at plate margins. They can also occur at hot spots and in rift valleys. The most active volcanic zone is the Pacific Ring of Fire around the Pacific plate. Here plates are colliding or separating. At active points on these plates volcanic mountains are formed‚ e.g. Nazca Plate and South American Plate‚ where plates separate‚ e.g. Pacific and Nazca Plate and in rift valleys‚ e.g. African Plate‚ Kenya. The most active area on the globe is the western rim of the Pacific
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Impact Approximately 57 deaths‚ about $1.1 billion in property damage; caused a partial collapse of the volcano’s flank‚ deposited ash in eleven states and five Canadian provinces. With no immediate precursors‚ a magnitude 5.1 earthquake occurred and was accompanied by a rapid series of events. Mount St. Helens produces small to large explosive eruptions‚ which send varying quantities of ash and tephra into the atmosphere Tephra (rock fragments and particles ejected by a volcanic eruption
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California’s Distinctiveness California is the most memorable state in the history by its geography and diverse climate. It is considered to have one of the most overwhelming varieties of nature and thus‚ leading nation’s agriculture. California is well-endowed with mountains‚ forests‚ trees‚ beaches‚ ocean‚ sand‚ rivers and much more different mother nature gifts. Its astonishing geographical location allow to have the most of the nature assortment and wealth. However‚ for every beautiful thing
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Precambrian time‚period of time that reaches out from around 4.6 billion years back to the start of the Cambrian Period‚ 541 million years prior. The Precambrian speaks to more than 80 percent of the aggregate geologic record. All life-structures were for quite some time expected to have begun in the Cambrian‚ and consequently all prior rocks were gathered together into the Precambrian. Albeit numerous fluctuated types of life developed and were safeguarded widely as fossil stays in Cambrian sedimentary
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A Manned Mission to Mars In the next few years‚ the United States plans to launch a manned spaceship to Mars to establish a human colony there. While some observers argue that such a mission is necessary for human knowledge to advance‚ others fear that the costs of such a mission are too high or that it may not even be possible with our present technology. Do you think this is a wise course of action or not? Write a letter to the President of the United States that expresses your opinion
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Carbon dioxide is the main pollutant that warms our planet Earth. Living things produce carbon dioxide when they breathe. However‚ carbon dioxide is considered to be a harmful pollutant when linked with any vehicle‚ trains‚ power plants‚ as well as other various human activities that involve burning fossil fuels such as gasoline and natural gas. Studies have shown that In the past 150 years‚ such activities have released enough carbon dioxide into the atmosphere to raise its levels higher than they
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In this answer I will discuss the positive impacts of volcanic activity. These positive impacts are geothermal energy‚ tourism and fertile soils. The first positive impact I will discuss is geothermal energy. Geothermal energy is heat that is generated by the plumes of magma that rise from the earth’s core to the crust. This magma heats the rocks of the earth’s crust. Geothermal energy is used as a major source of energy in Iceland. Iceland is a volcanic island formed by tectonic forces along
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